| Value | Category | Cases | |
|---|---|---|---|
| 0 | Participant not available | 4 |
100%
|
| 1 | Outmigrated | 0 |
0%
|
| 2 | Dead | 0 |
0%
|
| 98 | Other | 0 |
0%
|
| Sysmiss | 201 |